Toshiba 42HP84 owner manual Troubleshooting, Antenna, Black box appears on the screen

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Appendix

Troubleshooting

Before calling a service technician, please check the following table for a possible cause of the symptom and some solutions.

Symptom	Solution
TV will not turn on	¥	Make sure the power cord is plugged in, then press POWER.
	¥	Make sure the appropriate device mode on the remote control is
		selected.
	¥	The remote control batteries may be dead. Replace the batteries.
No picture, no sound	¥	Check the antenna/cable connections.
No sound, picture OK	¥	The sound may be muted. Press VOLUME.
	¥	The station may have broadcast difficulties. Try another channel.
	¥	Make sure the SPEAKERS function in AUDIO menu is set properly.
Poor picture, sound OK	¥	Check the antenna connections.
	¥	The station may have broadcast difficulties. Try another channel.
	¥	Adjust the PICTURE menu.
Poor reception of broadcast channels	¥	The station may have broadcast difficulties. Try another channel.
	¥	Check the antenna connections.
	¥	If you are using a VCR, make sure the TV/VCR button is set
		correctly.
Cannot receive above channel 13	¥	Make sure the TV/CABLE switch is set to the mode that
		corresponds with the signal source type (cable company or outside
		antenna).
Black box appears on the screen	¥	The closed caption feature may be set to one of the Text modes (T1,
		T2, T3, or T4). Turn closed captioning OFF.
Unable to select a certain channel	¥	The channel may be locked with the CH LOCK feature, or erased
		with the ADD/ERASE feature.
Multiple images	¥	The station may have broadcast difficulties. Try another channel.
	¥	Antenna reception may be poor. Use a highly directional outdoor
		antenna.
Poor color or no color	¥	The station may have broadcast difficulties. Try another channel.
	¥	Adjust the TINT and/or COLOR in the PICTURE menu.
No stereo or SAP sound from a	¥	Make sure the MTS feature is set properly.
known MTS broadcast
The remote control does not operate	¥	Make sure the appropriate device mode is selected.
	¥	Remove all obstructions between the remote control and the remote
		control sensor in the TV.
	¥	The remote control batteries may be dead. Replace the batteries.
Cannot access signal input sources	¥	Check the VIDEO LOCK feature.
(Video1, Video2, Video3,
ColorStream HD1/HD2, HDMI)
and/or Channels 3 and 4.

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Contents Appendix IntroductionIndex Safety Precautions Dear CustomerImportant Safety Instructions InstallationService CareImportant notes about your Plasma TV Introduction Introduction Connecting your TV Supplied accessoriesWelcome to Toshiba Exploring your new TV OUTConnecting an antenna or cable TV Connecting YourTVUsingthe RemoteControl Settingup YourTV UsingtheTVÕs Features Appendix IndexConnecting a VCR Connecting a cable converter boxConnecting a cable converter box and VCR Appendix IndexConnecting a DVD player or satellite receiver and a VCR Unauthorized recording, useFrom Antenna Stereo VCR From DTV Receiver with component video DTV Antenna Connecting two VCRs Connecting a camcorderConnecting YourTV Usingthe RemoteControl You will need ¥ one set of standard A/V cablesConnecting an HDMIª or a DVI device to the Hdmi input ¥ one Hdmi cable type a connector¥ one HDMIÐtoÐDVI adapter cable Hdmi type a connector ¥ one pair of standard analog audio cablesConnecting a device to the TheaterLink Connecting an audio system Preparing the remote control for use Installing the remote control batteriesUsing the Remote Control Remote Control functional key chartCBL/SAT Audio VCR TV/VCR TV/SAT Device code setup Searching and sampling the code of a deviceUsing the volume lock feature Operational feature resetVCR setup codes Device code tableCD Player setup codes Learning about the remote control Introduction Connecting YourTV Usingthe RemoteControl Settingup YourTVUsingtheTVÕs Features Appendix Index Learning about the menu systemSetting up your TV Changing the on-screen display languageSelecting the antenna input Press y or z to highlight your desired languageProgramming channels automatically Adding channels to the TVÕs memoryPress Enter Press z to select CH Program Changing channels Adding and erasing channels manuallyAdjusting the channel settings Switching between two channels using Channel ReturnSwitching between two channels using SurfLockª Programming your favorite channelsTVÕs Press y or z to highlightFavorite CH Press Enter to display the Favorite CH menuLabeling channels Press z or y to highlightClear Press Enter to erase the channel labelSelecting the picture size Natural picture sizeSetting Your UsingtheTVÕs Features YourUp TV ¥ None of the picture is hiddenPress Enter to display the Scroll Adjustment mode Scrolling the TheaterWide¨ picture TheaterWide 2 and 3 only¥ To raise the picture, press y ¥ To lower the picture, press zUsing the Auto Aspect feature Press y or z to highlight Auto ASPECT, and then pressEnter Press y or z to select ON, and then press EnterUsing the POP double-window feature To close the POP window Press Split again or ExitSwitching the main and POP pictures Switching the speaker audio main or POPUsingtheTVÕs Features ControlUsing the programmed channel search function Double-Window aspect ratioUsing the favorite channel search function About the auto favorite featureUsing the Locks menu Using the V-CHIP menuUsing Entering the PIN codeEnable Blocking OFF To release your setting UnlockTV Rating Independent rating system for broadcasters Press z or y to select an itemMpaa Rating Independent rating system for movies Mpaa RatingConnecting Your Usingthe RemoteControl Setting yourLocking channels Unlocking programs temporarilyPress y or z to highlight Clear ALL, and then press Enter Locking the video inputs Changing the PIN codeOFF From the Locks menu, press y or z to highlight NEW PIN CodeAdjusting the picture Selecting the picture modeAdjusting the picture quality Picture SettingsPress x or to select the mode you prefer Selecting the color temperatureSaving your new preferences Using the CableClearª DNR feature Resetting picture adjustmentsSelecting the cinema mode Press y or z to select Film autoUsing the TVÕs Features Selecting the video input sourcePress y or z to highlight Caption or TEXT, and then press Using the closed caption feature¥ To view text, highlight T1, T2, T3, or T4 Setting the on timer Setting the sleep timerMuting the sound Adjusting the soundSelecting stereo/SAP broadcasts Enjoying the Dolby Virtual sound feature Using the WOWª surround sound featurePress y or z to adjust the item, then press Enter Adjusting the sound quality Resetting your audio adjustmentsUsing the StableSound¨ feature To turn off the StableSound feature Select OFF in aboveTurning off the built-in speakers To turn on the built-in speakersSelecting the Audio OUT sound AUDIO/VIDEO OUT terminals Press y or z to select Main or POP, and then press EnterAdjusting the long life features Picture shiftWhite pattern will be displayed TimeUnderstanding the auto power off feature Understanding the last mode memory featureSelecting the background of the menu display Displaying on-screen informationSpecifications AppendixTroubleshooting AntennaBlack box appears on the screen T2, T3, or T4. Turn closed captioning OFFLimited United States Warranty Limited Canada Warranty Index Toshiba ELECTROMEX, S.A. DE C.V